Synonyms of cosy in English:

cosy


See UK English definition of cosy

adjective

1‘she lived in a cosy country cottage’

SYNONYMS
snug, comfortable, warm, restful, home-like, homey, cheerful, welcoming, pleasant, agreeable
safe, sheltered, secure, at ease, mellow
British homely
North American down-home, homestyle
informal comfy, snug as a bug, snug as a bug in a rug, snuggly
ANTONYMS

uncomfortable

2‘she had a cosy chat with an old school friend’

SYNONYMS
intimate, relaxed, informal, friendly